Expansion filler module



FIG. 1 is a side plan view of the expansion filler module;

FIG. 2 is an end view of the expansion filler module; and,

FIG. 3 is a cross section view taken from line 3-3 of FIG. 2.

The broken line showing is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM I claim the ornamental design for an expansion filler module, as shown and described. 